Phone line test set



FIG. 1 is a perspective view of a phone line test set showing my new design with the phone jack opened;

FIG. 2 is a top plan view with the phone jack closed;

FIG. 3 is a right side elevational view;

FIG. 4 is a bottom plan view;

FIG. 5 is a left side elevational view; and,

FIG. 6 is a rear elevational view thereof. 

The ornamental design for a phone line test set, as shown and described. 